Tectonics Flashcards
What are the two types of tectonic plates called
Continental and oceanic plate margins
What are the 3 types of plate boundaries
Destructive and collision, constructive and conservative
Hazard caused at all boundaries
Earthquake
Hazards causes at destructive and constructive plate boundaries
Volcanoes
Products of a volcano
Lava, tephra, lahars, pyroclastic flow, volcanic ash
What is tephra
rock fragments and particles ejected by a volcanic eruption.
What is a lahar
mudflows created when water (from rain or meltwater from glaciers) and volcanic ash mix
What is a pyroclastic flow
a dense, fast-moving flow of solidified lava pieces, volcanic ash, and hot gases
What are the reasons to stay in a place at risk of a volcano
Family, job opportunities, fertile land due to ash, tourism
L’aquilla case study detail- primary and secondary affects
1.Magnitude of 6.3
2. Killed 309 people
3. Happened at 3:32 am
4. Around 1500 injured
5. $1.1 billion of damage
6. 4.8 magnitude aftershock,
7. 40,000 people made homeless
8.
L’aquilla case study detail- Immediate and long-term responses
Immediate responses=
1. Hotels provided for 10,000 homeless people and 40,000 tents were supplied
2. Immediate aid from Italian Red Cross to find bodies and give medical support
3. British Red Cross raised £171,000 in support
4. USA gave $552.9 million
Long term=
1. Rebuilding of homes
2. Students given free public transport
3. Students exempt from university fees for 3 years
Gorkha case study detail- primary and secondary effects
- 7.8 magnitude
- Collision plate boundary between Eurasian and Indian plate
- Over 8000 dead and 19,000 injured
- Hundreds of thousands of people made homeless
- Epicentre only 60km from capital city
- Avalanches on mountain Everest killed around 20 people
- Landslides killed around 250 people
- Cost of damage $6.7 billion
Gorkha case study- immediate and long term responses
Immediate=
1. India and China supplied country with about £1 billion
2. 100 Search and rescue responders
3. Half a million tents provided for homeless
4. Medical supplies were sent by British Red Cross and Chinese
Long term responses=
1. £73 million donated by the UK
2. $3 million donated by Asian development bank and a further $200 million for rehabilitation
3. Tonnes of food sent by UK
4. Roads repaired
5. Building rebuilt
6. 700 schools rebuilt